116 



Cyperus Micliauxianus, SchuUes. 



This species is frequently found near Boston, and undoubtedly 



grows within the county limits. 

 Cyperus Grayii, Torr. 



Plum Island (Proc. E. I., Vol. I, p. 273) ; same station, 1878 (W. P. 



Conant). 

 Cyperus flliculmis, Vahh 



Dry sandy soil. Common. 

 Cyperus fuseus, L. 



Near Revere beach, 1877 (Herbert A. Young). This species is also 



found in New Jersey. (Adv. from So. Eu.) 



Duliehium spathaceum, Fers. 

 Swamps and borders of ponds. Common. 



Eleoeharis Robbinsii, Oakes. 



Sluice pond, Lynn (C. E. Faxon). Probably not uncommon. 

 Eleoeharis tuberculosa, B. Br. 



Manchester (Oakes); Danvers (J. H. Sears). Rare. 

 Eleoeharis obtusa, SchuUes. 



Wet places and borders of ponds. 

 Eleoeharis olivacea, Torr. 



Long pond, Saugus (Herbert A. Young). 

 Eleoeharis palustris, iJ. Br. 



Wenhara and Chebacco ponds, Crane pond, West Newbury, etc. 

 Eleoeharis tenuis, SchuUes. 



Meadows, ponds, etc. Very common and variable^ 

 Eleoeharis acicularis, B. Br. 



Wet places. Common. 

 Eleoeharis pygmsea, Torr. 



Salem Great Pastures, near Atlantic Car Works; near Coffin's 



beach. West Gloucester. Scarce. 

 Eleoeharis Engelmanni, Steudel. 



Sluice pond, Lynn, Sept. 1879 (Herbert A. Young). 

 Var. detousa, Graij. 



Pound at Winter pond, Winchester, 1878 (E. H. Hitchings). 



Scirpus planifolius, Muhl. 



Danvers, 1878 (J. H. Sears). 

 Scirpus subterminalis, Torr. 



Crane pond, West Newbury; Chebacco pond; "Wenbam, Pleasant 



pond, 1823 " (memo. Dr. Chas. Pickering). 

 Scirpus pungens, Vahl. 



Pound near both fresh and salt water. Common. 

 Scirpus Torreyi, Olneij. 



Lawrence, along the shores of the Merrimac, above the dam. 



